OpenTechnical

OT-2026-000023983

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000023983) never changes.

Identity and time

Publication numberOT-2026-000023983 · never reused
Internal UUID01a0ae70-aed7-7968-83f0-b0cd9f345cec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023983
StatusPUBLIC

Content hashes

Canonical text41f89403715c61684ce2dc2a481c3194f1ed86b69081cf57543776e7e49ea323
Markdowne8e66379fe626bfbeb842f15e2407d4e3b1d72b5095bf9d5ec6ecf152a0c8874
PDF
Publication pagebd71d8550049e8c6be48097c39e02a074e521e577a74b622a76d0c72686cc7e2
Manifestfa8c7e8cf418f539942098e6f6ac1f4e05bbe8b9f43ec16d9afba14fcaeb0297

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturexTL5ASDWV9iG2vN6sOmulYojjp2YJeY/V3wCstG132AW2QCI/tJaCsFyaf2eO04gAWtdnrFXoMpZqlezgnz8Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:50:45.033617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023983
observed bd71d8550049e8c6be48097c39e02a07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:45.013679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023983/manifest.json
observed fa8c7e8cf418f539942098e6f6ac1f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.994144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023983/publication.md
observed e8e66379fe626bfbeb842f15e2407d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:44.975727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023983/publication.txt
observed 41f89403715c61684ce2dc2a481c3194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.